Granted Patent
Utility
US 5,723,091 · App. 08/670,033
Flow modulation for facilitating detector ignition
Inventor:
Paul B. Welsh
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Jun 25, 1996
Inventor
Paul B. Welsh
Assignee (at issue)
Hewlett-Packard Company, L.P.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.